Improved sash-holder



\ @initrd Semtex "NELSON e. conn-or BEAVER DAM,

@aient @Wire y -WISGONSIN, ASSIGNOR T HIMSELF AND LEVERET'I H. MARVIN 0F SAME PLACE Letters Pateat No.' 97,764, dated December 14, 1869.

' rMrfaovnD eeen-nonnina.`

\ The Schedule xeierzed'to `in these Letters Patent and. making part of the sante.

` Be it known thatI, N'eLsoN C. COLE,1 of the town of Beaver Dam, in the count-y of Dodge, and State of Wisconsin, have invented a new and useful Window-Lock; and I do hereby declare that the'following is a full, clear, and exact 'description'of the constructionand operation of the same, reference being had `to the accompanying drawings, and to the letters of reference marked thereon, making apart of this speci- -leat'ion. f

A A represent the face-plate; l

B B represent the back-plate, extending at right angles with thefaoe-plate;

'C C represent the bolts; D, the vibrating-lever; t E, the key-shafts;

F, the bolt-spring; a ct represent the window-sash; b b, the jamb-casing;

d d represent the face-casing; g, an adjustable key; 1 H H, the escutcheon; and E o 'represent a skeleton knob-key.

; Figure 1 is a sectional view of the sash "and jainb-` sling, giving a longitudinal` elevation, showing as my invention, the platey D extending through the' jamb b, the face of plate A being iush with the face of the jamb. y On both sides of the' plate D are placed i the` bolts C C, as shown, extending through plate A intotheupper and lower sash a a,.b oth being held in position by the bolts. To raise or lower the sash, either boltinay be thrown back by means of 'the vishaft E unexposed within the escutcheon H, as shown in Figure 4, with the key attached.

tion, showing its position iu the window-easing, a a vrepresenting the upper and lower sash, b` b, thejamb, d, the face-casing, H, the escutcheon in the face-cas' ing, and the key-shaft E, as permanently attached to thus att-ached, form an independent'adjustable key,

'which may be withdrawn at pleasure, leaving it perfectly secure.

t What I claim 'as my invention, and desire to secure by Letters Patent, is-

The vconstruction of a combination vWindow-Lock,

with twobolts upon one plate, and operated by deently, as herein described. j

` NELSON G. COLE.

` \Vitnesse s:

GHAs. W. RUSSELL,

Figure 3 is a horizontal sectional view of my invena skeleton-knob. Thekey-shaft and skeleton-knob tachable keys, operating upon each sash independ- 

